Imperial Hexagonal Nut yellow Zinc Plated 1-3/4-5 Grade 8 manille These have a latch that

These have a latch that locks closed when a load is applied for a more secure connection than standard hooks

These have a latch that locks closed when a load is applied for a more secure connection than standard hooks

It is made of 304 stainless steel

The screw has a length of 2-1/2" and a thread of 3/8-16

The screw has a length of 6-1/2" and a thread of 1/2-13

Imperial Hexagonal Nut yellow Zinc Plated 1-3/4-5 Grade 8 manille These have a latch thatThis hexagonal nut fit a threading of 1 3 4 5. It is made of yellow zinc plated and thus provide medium resistance to corrosion in dry environments and low resistance in wet environments, but Yellow Zinc provide a higher corrosion resistance than regular zinc. The Grade 8 increases its strength against the pressure and has a tensile strength and hardness of 150,000 psi Rockwell C33. Furthermore, it features a shear strength of 90,000 psi. UNC Coarse